java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:14:33,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:14:33,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:14:33,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:14:33,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:14:33,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:14:33,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:14:33,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:14:33,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:14:33,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:14:33,660 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:14:33,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:14:33,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:14:33,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:14:33,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:14:33,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:14:33,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:14:33,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:14:33,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:14:33,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:14:33,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:14:33,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:14:33,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:14:33,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:14:33,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:14:33,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:14:33,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:14:33,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:14:33,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-14 20:14:33,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:14:33,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:14:33,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:14:33,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:14:33,705 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:14:33,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:14:33,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:14:33,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:14:33,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:14:33,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:14:33,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:14:33,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:14:33,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:14:33,707 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:14:33,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:14:33,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:14:33,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:14:33,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:14:33,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:14:33,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:14:33,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:14:33,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:14:33,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:14:33,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:14:33,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:14:33,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:14:33,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:14:33,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:14:33,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:14:33,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:14:33,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:14:33,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:14:33,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:14:33,768 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:14:33,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test13.c [2019-08-14 20:14:33,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd9230cd/2baa66b1205e4239bc3d05e8c28ede56/FLAG95f93f019 [2019-08-14 20:14:34,261 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:14:34,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test13.c [2019-08-14 20:14:34,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd9230cd/2baa66b1205e4239bc3d05e8c28ede56/FLAG95f93f019 [2019-08-14 20:14:34,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bd9230cd/2baa66b1205e4239bc3d05e8c28ede56 [2019-08-14 20:14:34,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:14:34,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:14:34,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:34,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:14:34,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:14:34,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:34" (1/1) ... [2019-08-14 20:14:34,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7354b09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34, skipping insertion in model container [2019-08-14 20:14:34,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:34" (1/1) ... [2019-08-14 20:14:34,690 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:14:34,707 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:14:34,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:34,851 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:14:34,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:34,889 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:14:34,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34 WrapperNode [2019-08-14 20:14:34,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:34,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:14:34,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:14:34,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:14:34,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34" (1/1) ... [2019-08-14 20:14:34,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34" (1/1) ... [2019-08-14 20:14:34,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34" (1/1) ... [2019-08-14 20:14:34,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34" (1/1) ... [2019-08-14 20:14:35,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34" (1/1) ... [2019-08-14 20:14:35,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34" (1/1) ... [2019-08-14 20:14:35,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34" (1/1) ... [2019-08-14 20:14:35,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:14:35,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:14:35,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:14:35,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:14:35,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:14:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:14:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:14:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-14 20:14:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 20:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:14:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:14:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:14:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-14 20:14:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:14:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:14:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:14:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:14:35,272 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:14:35,273 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 20:14:35,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:35 BoogieIcfgContainer [2019-08-14 20:14:35,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:14:35,275 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:14:35,275 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:14:35,275 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:14:35,276 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:35" (1/1) ... [2019-08-14 20:14:35,797 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-08-14 20:14:35,855 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:14:35,859 INFO L168 Benchmark]: Toolchain (without parser) took 1182.79 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 126.8 MB in the end (delta: -40.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:35,860 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:14:35,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.99 ms. Allocated memory is still 138.4 MB. Free memory was 86.2 MB in the beginning and 76.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:35,865 INFO L168 Benchmark]: Boogie Preprocessor took 119.21 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 76.8 MB in the beginning and 176.5 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:35,868 INFO L168 Benchmark]: RCFGBuilder took 264.53 ms. Allocated memory is still 198.7 MB. Free memory was 176.5 MB in the beginning and 163.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:35,869 INFO L168 Benchmark]: Symbolic Interpretation took 580.27 ms. Allocated memory is still 198.7 MB. Free memory was 163.0 MB in the beginning and 126.8 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:35,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 214.99 ms. Allocated memory is still 138.4 MB. Free memory was 86.2 MB in the beginning and 76.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.21 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 76.8 MB in the beginning and 176.5 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 264.53 ms. Allocated memory is still 198.7 MB. Free memory was 176.5 MB in the beginning and 163.0 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 580.27 ms. Allocated memory is still 198.7 MB. Free memory was 163.0 MB in the beginning and 126.8 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...